/* ========== ОСНОВНІ ЗМІННІ ========== */
:root {
    --bg-color: #ffffff;
    --text-color: #333333;
    --primary-color: #4a4a4a;
    --secondary-color: #f5f5f5;
    --accent-color: #c5a059;
    --card-bg: #ffffff;
    --border-color: #e0e0e0;
    --input-bg: #ffffff;
    --hover-bg: #f0f0f0;
    --shadow: 0 2px 10px rgba(0,0,0,0.1);
    --text-muted: #666666;
}

body.dark-theme {
    --bg-color: #1a1a1a;
    --text-color: #f0f0f0;
    --primary-color: #bbbbbb;
    --secondary-color: #2d2d2d;
    --card-bg: #2d2d2d;
    --border-color: #404040;
    --input-bg: #2d2d2d;
    --hover-bg: #3d3d3d;
    --shadow: 0 2px 10px rgba(0,0,0,0.5);
    --text-muted: #999999;
}

/* ========== СКИДАННЯ СТИЛІВ ========== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    transition: background-color 0.3s, color 0.3s;
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ========== ШАПКА ========== */
header {
    background-color: var(--secondary-color);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 100;
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo a {
    font-size: 24px;
    font-weight: bold;
    color: var(--accent-color);
    text-decoration: none;
}

.nav-links {
    display: flex;
    list-style: none;
}

.nav-links li {
    margin: 0 15px;
}

.nav-links a {
    color: var(--text-color);
    text-decoration: none;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: var(--accent-color);
}

.social-icons {
    display: flex;
    gap: 15px;
}

.social-icons a {
    color: var(--text-color);
    font-size: 20px;
    transition: color 0.3s;
}

.social-icons a:hover {
    color: var(--accent-color);
}

.mobile-menu {
    display: none;
    font-size: 24px;
    cursor: pointer;
}

/* ========== МОБІЛЬНЕ МЕНЮ ========== */
.mobile-nav {
    display: none;
    position: fixed;
    top: 80px;
    left: 0;
    width: 100%;
    background-color: var(--secondary-color);
    box-shadow: var(--shadow);
    z-index: 99;
    padding: 20px 0;
    transform: translateY(-100%);
    transition: transform 0.3s ease-in-out;
}

.mobile-nav.active {
    transform: translateY(0);
}

.mobile-nav-links {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.mobile-nav-links li {
    margin: 10px 0;
}

.mobile-nav-links a {
    color: var(--text-color);
    text-decoration: none;
    font-size: 18px;
}

/* ========== ПЕРЕМИКАЧ ТЕМИ ========== */
.theme-toggle {
    position: fixed;
    right: 20px;
    top: 100px;
    z-index: 99;
    background-color: var(--secondary-color);
    padding: 10px;
    border-radius: 50%;
    cursor: pointer;
    box-shadow: var(--shadow);
}

/* ========== ГОЛОВНА ========== */
.hero {
    padding: 80px 0;
    text-align: center;
    background: linear-gradient(135deg, var(--secondary-color), var(--bg-color));
}

.hero h1 {
    font-size: 48px;
    margin-bottom: 15px;
    color: var(--accent-color);
}

.hero-subtitle {
    font-size: 24px;
    font-weight: bold;
    color: var(--accent-color);
    margin-bottom: 15px;
}

.hero p {
    font-size: 18px;
    max-width: 800px;
    margin: 0 auto 30px;
    color: var(--text-muted);
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    display: inline-block;
    padding: 15px 40px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
    margin: 0 5px;
    font-size: 16px;
}

.btn-primary {
    background: var(--accent-color);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 20px rgba(197, 160, 89, 0.4);
}

.btn-outline {
    border: 2px solid var(--accent-color);
    color: var(--text-color);
    background: transparent;
}

.btn-outline:hover {
    background: var(--accent-color);
    color: white;
}

/* ========== ПЕРЕВАГИ ========== */
.features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    padding: 60px 0;
}

.feature {
    text-align: center;
    padding: 30px;
    background: var(--card-bg);
    border-radius: 20px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
    transition: transform 0.3s;
}

.feature:hover {
    transform: translateY(-5px);
}

.feature i {
    font-size: 48px;
    color: var(--accent-color);
    margin-bottom: 20px;
}

.feature h3 {
    font-size: 24px;
    margin-bottom: 15px;
    color: var(--text-color);
}

.feature p {
    color: var(--text-muted);
    line-height: 1.6;
}

/* ========== ЦІНИ (PRICING) ========== */
.pricing-info {
    padding: 60px 0;
    text-align: center;
}

.pricing-info h2 {
    font-size: 36px;
    margin-bottom: 40px;
    color: var(--text-color);
}

.pricing-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 30px;
}

.pricing-card {
    background: var(--card-bg);
    padding: 30px 20px;
    border-radius: 20px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
    transition: transform 0.3s;
}

.pricing-card:hover {
    transform: translateY(-5px);
}

.pricing-card i {
    font-size: 48px;
    color: var(--accent-color);
    margin-bottom: 20px;
}

.pricing-card h3 {
    font-size: 24px;
    margin-bottom: 15px;
    color: var(--text-color);
}

.pricing-card p {
    color: var(--text-muted);
    line-height: 1.6;
}

/* ========== CTA (ЗАКЛИК) ========== */
.cta {
    background: var(--secondary-color);
    padding: 60px 20px;
    border-radius: 30px;
    margin: 40px 0;
    text-align: center;
    border: 1px solid var(--border-color);
}

.cta h2 {
    font-size: 36px;
    margin-bottom: 15px;
    color: var(--text-color);
}

.cta p {
    font-size: 18px;
    margin-bottom: 30px;
    color: var(--text-muted);
}

/* ========== СТОРІНКА ПРО НАС ========== */
.about-page {
    padding: 60px 0;
    max-width: 900px;
    margin: 0 auto;
}

.about-page h1 {
    font-size: 48px;
    text-align: center;
    margin-bottom: 40px;
    color: var(--text-color);
}

.about-card {
    background: var(--card-bg);
    padding: 50px;
    border-radius: 30px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
}

.about-header {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 30px;
}

.about-icon {
    width: 80px;
    height: 80px;
    background: var(--accent-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 40px;
}

.about-header h2 {
    font-size: 32px;
    color: var(--text-color);
}

.about-intro {
    font-size: 18px;
    line-height: 1.7;
    color: var(--text-muted);
    margin-bottom: 30px;
}

.about-highlight {
    background: var(--secondary-color);
    padding: 20px;
    border-radius: 15px;
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 40px;
}

.about-highlight i {
    font-size: 30px;
    color: var(--accent-color);
}

.about-highlight p {
    color: var(--text-color);
    font-size: 16px;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin-bottom: 40px;
}

.about-item {
    background: var(--secondary-color);
    padding: 25px;
    border-radius: 15px;
}

.about-item i {
    font-size: 36px;
    color: var(--accent-color);
    margin-bottom: 15px;
}

.about-item h3 {
    font-size: 22px;
    margin-bottom: 15px;
    color: var(--text-color);
}

.about-item ul {
    list-style: none;
    padding: 0;
}

.about-item li {
    padding: 8px 0;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-muted);
}

.about-item li:last-child {
    border-bottom: none;
}

.about-why {
    margin-bottom: 40px;
}

.about-why h3 {
    font-size: 24px;
    margin-bottom: 15px;
    color: var(--text-color);
}

.about-why p {
    color: var(--text-muted);
    line-height: 1.7;
    margin-bottom: 15px;
}

.about-cta {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

/* ========== СТОРІНКА ПОСЛУГ ========== */
.services-page {
    padding: 60px 0;
}

.services-page h1 {
    font-size: 48px;
    text-align: center;
    margin-bottom: 20px;
    color: var(--text-color);
}

.services-subtitle {
    text-align: center;
    font-size: 18px;
    max-width: 800px;
    margin: 0 auto 50px;
    color: var(--text-muted);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 30px;
    margin-bottom: 50px;
}

.service-card {
    background: var(--card-bg);
    border-radius: 20px;
    padding: 30px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
    transition: transform 0.3s;
}

.service-card:hover {
    transform: translateY(-5px);
}

.service-icon {
    width: 70px;
    height: 70px;
    background: var(--accent-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 30px;
    margin-bottom: 20px;
}

.service-card h2 {
    font-size: 24px;
    margin-bottom: 15px;
    color: var(--text-color);
}

.service-card p {
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 20px;
}

.service-features {
    list-style: none;
    padding: 0;
    margin-bottom: 20px;
}

.service-features li {
    padding: 8px 0;
    color: var(--text-color);
    display: flex;
    align-items: center;
    gap: 10px;
}

.service-features i {
    color: var(--accent-color);
    font-size: 16px;
}

.service-price {
    font-size: 20px;
    font-weight: bold;
    color: var(--accent-color);
    text-align: right;
    margin-top: 15px;
    padding-top: 15px;
    border-top: 1px solid var(--border-color);
}

.services-note {
    text-align: center;
    background: var(--secondary-color);
    padding: 40px;
    border-radius: 30px;
}

.services-note p {
    color: var(--text-color);
    font-size: 18px;
    margin-bottom: 20px;
}

/* ========== СТОРІНКА ПОРТФОЛІО ========== */
.portfolio-page {
    padding: 60px 0;
}

.portfolio-page h1 {
    font-size: 48px;
    text-align: center;
    margin-bottom: 20px;
    color: var(--text-color);
}

.portfolio-subtitle {
    text-align: center;
    font-size: 18px;
    max-width: 800px;
    margin: 0 auto 50px;
    color: var(--text-muted);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
    margin-bottom: 60px;
}

.portfolio-item {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 30px;
    background: var(--card-bg);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
}

.portfolio-image {
    height: 250px;
    overflow: hidden;
}

.portfolio-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s;
}

.portfolio-item:hover .portfolio-image img {
    transform: scale(1.05);
}

.portfolio-content {
    padding: 25px;
}

.portfolio-content h3 {
    font-size: 24px;
    margin-bottom: 10px;
    color: var(--text-color);
}

.portfolio-content p {
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 15px;
}

.portfolio-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 20px;
}

.portfolio-tech span {
    background: var(--secondary-color);
    color: var(--text-color);
    padding: 5px 15px;
    border-radius: 50px;
    font-size: 14px;
}

.portfolio-cta {
    text-align: center;
    background: var(--secondary-color);
    padding: 50px;
    border-radius: 30px;
}

.portfolio-cta h2 {
    font-size: 36px;
    margin-bottom: 15px;
    color: var(--text-color);
}

.portfolio-cta p {
    font-size: 18px;
    margin-bottom: 25px;
    color: var(--text-muted);
}

/* ========== СТОРІНКА КОНТАКТИ ========== */
.contacts-page {
    padding: 60px 0;
}

.contacts-page h1 {
    font-size: 48px;
    text-align: center;
    margin-bottom: 20px;
    color: var(--text-color);
}

.contacts-page > p {
    text-align: center;
    font-size: 18px;
    max-width: 700px;
    margin: 0 auto 50px;
    color: var(--text-muted);
}

.contacts-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    margin-top: 50px;
}

.contact-info {
    background: var(--card-bg);
    padding: 40px;
    border-radius: 30px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
}

.contact-info h2 {
    font-size: 32px;
    margin-bottom: 30px;
    color: var(--accent-color);
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 25px;
}

.contact-item i {
    font-size: 30px;
    color: var(--accent-color);
    width: 50px;
    text-align: center;
}

.contact-item p {
    color: var(--text-muted);
    line-height: 1.5;
}

.contact-social {
    display: flex;
    gap: 20px;
    margin-top: 30px;
}

.contact-social a {
    width: 50px;
    height: 50px;
    background: var(--secondary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-color);
    font-size: 24px;
    transition: all 0.3s;
}

.contact-social a:hover {
    background: var(--accent-color);
    color: white;
    transform: scale(1.1);
}

.contact-form {
    background: var(--card-bg);
    padding: 40px;
    border-radius: 30px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
}

.contact-form h2 {
    font-size: 32px;
    margin-bottom: 30px;
    color: var(--accent-color);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 600;
    color: var(--text-color);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: var(--input-bg);
    color: var(--text-color);
    font-size: 16px;
    font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-color);
}

.message-success,
.message-error {
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 20px;
    text-align: center;
}

.message-success {
    background: #d4edda;
    color: #155724;
}

.message-error {
    background: #f8d7da;
    color: #721c24;
}

/* ========== ФУТЕР ========== */
footer {
    background-color: var(--secondary-color);
    padding: 30px 0;
    margin-top: 50px;
    text-align: center;
    border-top: 1px solid var(--border-color);
}

footer p {
    color: var(--text-muted);
    margin: 5px 0;
}

/* ========== АДАПТИВНІСТЬ ========== */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    .mobile-menu {
        display: block;
    }
    .mobile-nav {
        display: block;
    }

    .hero h1 {
        font-size: 32px;
    }
    .hero p {
        font-size: 16px;
    }
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    .btn {
        width: 100%;
        margin: 5px 0;
    }

    .features {
        grid-template-columns: 1fr;
    }

    .pricing-cards {
        grid-template-columns: 1fr;
    }

    .about-card {
        padding: 30px;
    }
    .about-header {
        flex-direction: column;
        text-align: center;
    }
    .about-highlight {
        flex-direction: column;
        text-align: center;
    }
    .about-grid {
        grid-template-columns: 1fr;
    }
    .about-cta {
        flex-direction: column;
    }
    .about-cta .btn {
        width: 100%;
    }

    .services-grid {
        grid-template-columns: 1fr;
    }

    .portfolio-item {
        grid-template-columns: 1fr;
    }
    .portfolio-image {
        height: 200px;
    }
    .portfolio-cta h2 {
        font-size: 28px;
    }

    .contacts-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    .contact-info, .contact-form {
        padding: 30px;
    }

    .cta h2 {
        font-size: 28px;
    }
    .cta p {
        font-size: 16px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    .hero h1 {
        font-size: 28px;
    }
    .hero-subtitle {
        font-size: 20px;
    }
    .btn {
        padding: 12px 20px;
        font-size: 14px;
    }
}